Patents Update
Rohm and Haas patents aqueous coating
Patent No. U.S. 7,314,892 B2
Rohm and Haas has obtained a
patent for a method of producing a
coating on the surface of a substrate,
the method is comprised of the steps
of applying to the surface an aqueous
composition comprised of an anioni-cally stabilized binder polymer;
applying to the surface an aqueous
composition comprised of a vinylamine polymer having from 20-
100% by weight of amine functional
units, based on total weight of the
vinylamine polymer; and drying the
coating.
AIR PRODUCTS
PATENTS CONDUCTIVE COATING
Patent No. U.S. 7,323,121 B2
Air Products and Chemicals has
obtained a patent for an annealed,
conductive, infrared-absorbing composition comprised of particles of
indium tin oxide having a color index
in terms of x and y wherein x is 0.404
to 0.414 and y is 0.418 to 0.421, and
a resistance of less than approximately 42 Ohm when measured at a
pressure of 77 kPa.
BASF CATALYSTS PATENTS
EFFECT PIGMENT
Patent No. U.S. 7,318,861 B2
BASF Catalysts LLC has been
granted a patent for an effect pigment comprised of a coated mixture
of at least two different materials
wherein each of the at least two different materials is present from at
least approximately 5-95% weight
based on the total of the at least two
different materials and the effect
pigment exhibits visual homogeneity
and at least one of the two different
materials is selected from the group
consisting of cubical material, and
spherical material and the coating is
metal oxide.
ENGELHARD PATENTS
POWDER COATING PRECURSORS
Patent No. U.S. 7,335,695 B2
Engelhard Corporation has
received a patent for a powder coating precursor comprised of a pearlescent pigment coated with at least one
silane coupling agent; and leveling
agent that is present on the outer
surface of the silane coated pearlescent pigment wherein the pearlescent pigment is metal oxide coated
substrate and wherein the leveling
agent is aluminum oxide.
DUPONT PATENTS
EPOXY POWDER COATING
Patent No. U.S. 7,323,234 B2
E.I. du Pont de Nemours &
Company has received a patent for an
epoxy powder coating composition
comprised of an intimate mixture of
approximately 60-80% weight, based
on the total weight of the powder coating composition, of at least one epoxy
resin; 0.020-6.0% weight, based on
total weight of the powder coating
composition, of at least one alka-nolamine; at least one epoxy curing
agent in an effective amount to cure
the powder coating composition; and
1.5-2.5% weight, based on the total
weight of the powder coating composition, of at least one zinc borate compound; wherein the component are not
reacted prior to being mixed together.
MERCK PATENTS
STABILIZED BIOCL PIGMENTS
Patent No. U.S. 7,318,862 B2
Merck Patent GmbH has obtained
a patent for a stabilized BiOCl pigment, which is comprised of a base
BiOCl pigment which has a coating
comprised of one or more polymers
and a coating comprised of one or
more oxides, oxide hydrates or hydroxides of silicon, wherein the coating
comprised of one or more polymers and
the coating comprised of one or more
oxides, oxide hydrates or hydroxides of
silicon are provided as separate coatings and, wherein the coating comprised of one or more oxides, oxide
hydrates or hydroxides of silicon is provided on top of the coating comprised of
one or more polymers.
NATIONAL STARCH AND CHEMICAL
PATENTS CONDUCTIVE ADHESIVE
Patent No. U.S. 7,326,369 B2
National Starch and Chemical has
obtained a composition for use in
microelectronic devices comprised of a
functional acrylic copolymer or terpolymer, wherein the functional
acrylic copolymer or terpolymer has a
Tg in the range of approximately 30°
to - 40° C.; an epoxy; a conductive filler;
and a curing agent to cause thermal
curing of the composition.
COPPER PHTHALOCYANINE
BLUE PIGMENT COMPOSITION
Patent No. U.S. 7,329,315 B1
Sun Chemical Corporation has
been granted a patent for a composition comprised of milled phthalocyanine blue and a dispersant, wherein
the dispersant is comprised of a
poly(oxyalkylene) modified dialkylsuc-cinyl succinate or poly(oxyalkylene)
modified phthalocyanine, or a combination thereof.
HENKEL PATENTS
COATING COMPOSITION
Patent No. U.S. 7,332,021 B2
Henkel has obtained a patent for a
coating composition comprised of an
aqueous mixture comprised of acid-stable particles and one or more fluo-roacids, wherein the amount of the
acid-stable particles in the coating
composition is from 0.005-8% by
weight on a dry weight basis. CW